Finding the Fourth Proportional to 221,102.56, 305,129.72 and 125,625.44
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Solution
The fourth proportional to 221,102.56, 305,129.72 and 125,625.44 is: 173,367.76
Step by Step Solution
- Step 1: Write the proportion equation
221,102.56 : 305,129.72 = 125,625.44 : x - Step 2: Convert to fraction form
221,102.56/305,129.72 = 125,625.44/x - Step 3: Cross multiply
221,102.56x = 305,129.72 × 125,625.44 - Step 4: Simplify right side
221,102.56x = 38,332,055,332.08 - Step 5: Solve for x
x = 38,332,055,332.08/221,102.56 - Step 6: Final answer
x = 173,367.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.